Gazania – Perennial Plant, How to grow

How to grow Gazania Gazania (gaz-ay-ne-a) Commemorating Theodore of Gaza, fifteenth-century translator of the botanical works of Theophrastus (Compositae). Treasure flower. Half-hardy perennials from South Africa, with showy flowers, which open in the sun and close about 3 p.m. The species hybridize freely and gazanias have been much improved in recent years; seed is offered in red and orange shades […]

Euphorbia – Perennial Plant, How to grow

How to grow Euphorbia Euphorbia (u-for-be-a) Named after Euphorbus, physician to King Juba of Mauritania (Euphorbiaceae). A genus of about a thousand species, widely distributed, mainly in temperate regions, showing immense diversity of form and requirements. They include annual, biennial and perennial herbaceous plants, shrubs and trees and succulent plants. The decorative parts are really bracts, often colourful, round the […]

Erysimum – Perennial Plant, How to grow

How to grow Erysimum Erysimum (er-is-im-um) From the Greek erus, to draw up; some species are said to produce blisters (Cruciferae). Alpine wallflower. Hardy annual, biennial and perennial plants, closely related to Cheiranthus. Some are rather weedy, but others make good edging plants for a perennial border, or on gravelly banks and retaining walls. Annual species cultivated                 E. perofskianum, 1 […]

Eryngium – Perennial Plant, How to grow

How to grow Eryngium Eryngium (er-in-je-um) From the ancient Greek name eryngeon, the meaning of which is obscure (Urnbelliferae). A genus of over 200 species of hardy and nearly hardy perennial herbaceous plants, some with thistle-like leaves. Some species are seaside plants in the wild. All are more or less spiny and in some species a feature is the glistening, […]

Echinacea – Perennial Plant, How to grow

How to grow Echinacea Echinacea (ek-in-ay-se-a) From the Greek echinos, hedgehog, referring to the whorl of prickly, pointed bracts close beneath the flower head (Compositae). A genus of two North American species of hardy herbaceous perennial plants. Species cultivated E. angustifolia (syn. Rudbeckia angustifolia), 2-3 feet, purplish red, summer. E. purpurea (syn. Rudbeckia purpurea), purple coneflower, 3-4 feet, purplish-red, August. […]

Doronicum – Perennial Plant, How to grow

How to grow Doronicum Doronicum (dor-on-ik-um) From the Arabic name doronigi (Cornpositae). Leopard’s bane. Hardy herbaceous perennials, natives of Europe and Asia, early-flowering, with long-stemmed, daisy-like yellow flowers. The sap from the root of D. pardalianches is said to be poisonous. Doronicums last well as cut-flowers. Species cultivated D. austriacum, 18 inches, golden-yellow, spring. D. carpetanum. 2 feet, yellow. May […]

Coreopsis – Perennial Plant, How to grow

How to grow Coreopsis (kor-e-op-sis) From the Greek koris, a bug or tick, opsis, like, a reference to the appearance of the seeds (Compositae). Tickseed. The annual species are often catalogued under Calliopsis. Hardy perennials and annuals with showy flowers, excellent for borders. Perennial species cultivated              C. grandiflora, 2-3 feet, yellow flowers, summer; var. fore pleno, double. Cultivars include `Baden […]

Convolvulus – Perennial Plant, How to grow

How to grow Convolvulus (kon-volvu-lus) From the Latin convolvo, to entwine, as some of the species do (Convolvulaceae). A valuable race of plants both annual and perennial, herbaceous or sub-shrubby. Flowers are bell-shaped throughout and highly attractive. Hardy perennial species cultivated C. althaeo ides, 1-2 feet, pink flowers, summer. C. cantabrica, 1 foot, pink flowers, mid to late summer. C. […]

Centaurea – Perennial Plant, How to grow

How to grow Centaurea (sen-taw-re-a) From the classical myths of Greece; the plant is said to have healed a wound in the foot of Chiron, one of the Centaurs (Compositae). A genus of annual and perennial plants with flowers not unlike those of a thistle in structure. The annuals (cornflowers and sweet sultana) are good for cutting; some species of […]

Catananche – Perennial Plant, How to grow

How to grow Catananche (kat-an-an-kee) From the Greek katananke, a strong incentive, referring to its use in love potions (Compositae). A small genus of annuals or perennials of which C. caerulea is the only species likely to be found in cultivation. This is commonly known as Cupid’s dart or blue cupidone and was introduced in 1596. It is a hardy […]